Megatest

;; Copyright 2006-2014, Matthew Welland.
;; 
;;  This program is made available under the GNU GPL version 2.0 or
;;  greater. See the accompanying file COPYING for details.
;; 
;;  This program is distributed WITHOUT ANY WARRANTY; without even the
;;  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
;;  PURPOSE.

;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')

(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking format md5 message-digest)
(import (prefix sqlite3 sqlite3:))

(declare (unit archive))
(declare (uses db))
(declare (uses common))

(include "common_records.scm")

	   '()
	   archive:run-bup
	   (list testdir apath))))))
	  
;; Get archive disks from megatest.config
;;
(define (archive:get-archive-disks)
  (let ((section (configf:get-section *configdat* "archive-disks")))
    (if section
	section
	'())))

;; look for the best candidate archive area, else create new 
;; area
;;
(define (archive:get-archive testname itempath dused)
  ;; look up in archive_allocations if there is a pre-used archive
  ;; with adequate diskspace
  ;;
  (let* ((existing-blocks (rmt:archive-get-allocations testname itempath dused))
	 (candidate-disks (map (lambda (block)
				 (list
				  (vector-ref block 1)   ;; archive-area-name
				  (vector-ref block 2))) ;; disk-path
			       existing-blocks)))
    (or (common:get-disk-with-most-free-space candidate-disks dused)
	(archive:allocate-new-archive-block testname itempath))))

;; allocate a new archive area
;;
(define (archive:allocate-new-archive-block run-area-home testsuite-name dneeded)
  (let* ((adisks    (archive:get-archive-disks))
	 (best-disk (common:get-disk-with-most-free-space adisks dneeded)))
    (if best-disk
	(let* ((bdisk-name    (car best-disk))
	       (bdisk-path    (cdr best-disk))
	       (bdisk-id      (rmt:archive-register-disk bdisk-name bdisk-path (get-df bdisk-path)))
	       (archive-name  (conc (time->string (seconds->local-time (current-seconds)) "%Y")
				    "_q" (seconds->quarter sec) "/"
				    testsuite-name "_" (substring (message-digest-string (md5-primitive) (get-environment-variable "PATH")) 0 5)))
	       (archive-path  (conc bdisk-path "/" archive-name))
	       (block-id      (rmt:archive-register-block-name bdisk-id archive-path))
	       (allocation-id (rmt:archive-allocate-test-to-block block-id testname itempath)))
	  (if (and block-id allocation-id)
	      archive-path
	      #f))
	#f)))

;; archive - run bup
;;
;; 1. create the bup dir if not exists
;; 2. start the du of each directory
;; 3. gen index
;; 4. save
;;
(define (archive:run-bup archive-dir-in run-id run-name tests)
  (let* ((min-space   (string->number (or (configf:lookup *configdat* "archive" "minspace") "1000")))
	 (archive-dir (if (equal? archive-dir-in "-") ;; auto allocate an archive dir
			  (archive:allocate-new-archive-block *toppath* (common:get-testsuite-name) min-space)
			  archive-dir-in))
	 (disk-groups (make-hash-table))
	 (bup-exe    (or (configf:lookup *configdat* "archive" "bup") "bup"))
	 (compress   (or (configf:lookup *configdat* "archive" "compress") "9"))
	 (linktree   (configf:lookup *configdat* "setup" "linktree")))

    (if (not archive-dir) ;; no archive disk found, this is fatal
	(begin
	  (debug:print 0 "FATAL: No archive disks found. Please add disks with at least " min-space " MB space to the [archive-disks] section of megatest.config")
	  (debug:print 0 "       use [archive] minspace to specify minimum available space")
	  (debug:print 0 "   disks: " (string-intersperse (map cadr (archive:get-archive-disks)) "\n         "))
	  (exit 1))
	(debug:print-info 0 "Using path " archive-dir " for archiving"))

    ;; from the test info bin the path to the test by stem
    ;;
    (for-each
     (lambda (test-dat)
       (let* ((item-path         (db:test-get-item-path test-dat))
	      (test-name         (db:test-get-testname  test-dat))

	mkdir -p mintest/runs mintest/links
	cd mintest;$(MEGATEST) -stop-server 0
	cd mintest;$(MEGATEST) -server - -debug $(DEBUG) > server.log 2> server.log & 
	sleep 3
	cd mintest;$(DASHBOARD) -rows 18 &

cleanprep : ../*.scm Makefile */*.config
	mkdir -p fullrun/tmp/mt_runs fullrun/tmp/mt_links /tmp/$(USER)/adisk1
	cd ..;make -j;make install
	rm -f */logging.db
	touch cleanprep

fullprep : cleanprep
	cd fullrun;$(MEGATEST) -remove-runs :runname $(RUNNAME)% -target %/%/% -testpatt %/%
	cd fullrun;$(BINPATH)/dashboard -rows 15 &

arm hosts: cubian

[archive]

# use machines of these flavor
useflavors plain
targsize 2G

# minimum space required on an archive disk before allowing archiving to start (MB)
minspace 10

[archive-disks]

# Archives will be organised under these paths like this:
#  <testsuite>/<creationdate>
# Within the archive the data is structured like this:
#  <target>/<runname>/<test>/
disk0 /tmp/#{getenv USER}/adisk1